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Commit 9b1d19ee authored by Satoru Takeuchi's avatar Satoru Takeuchi Committed by Greg Kroah-Hartman
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acpiphp: do not initialize existing ioapics 



Currently acpiphp initializes all ioapics under the bus on which
hot-add event occured. It also initializes already working ioapics.
This patch fixes this bug.

Signed-off-by: default avatarKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: default avatarMUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: default avatarSatoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: default avatarKristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b99feebe

drivers/pci/hotplug/acpiphp_glue.c

+3 −1
Original line number Diff line number Diff line
@@ -841,6 +841,7 @@ ioapic_add(acpi_handle handle, u32 lvl, void *context, void **rv) 


static int acpiphp_configure_ioapics(acpi_handle handle)

{

	ioapic_add(handle, 0, NULL, NULL);

	acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,

			    ACPI_UINT32_MAX, ioapic_add, NULL, NULL);

	return 0;
@@ -1075,7 +1076,8 @@ static int enable_device(struct acpiphp_slot *slot) 
	pci_bus_assign_resources(bus);

	acpiphp_sanitize_bus(bus);

	acpiphp_set_hpp_values(slot->bridge->handle, bus);

	acpiphp_configure_ioapics(slot->bridge->handle);

	list_for_each_entry(func, &slot->funcs, sibling)

		acpiphp_configure_ioapics(func->handle);

	pci_enable_bridges(bus);

	pci_bus_add_devices(bus);